225/75R17.5 tyres suit many different models of truck. They have section widths of 225mm and aspect ratios of 75%. This ratio is the height of the tyre in relation to its width. The R17.5 in the code lets you know that they are made with radial ply construction and that they fit wheel rims with 17.5 inch diameters.
In the final part of a tyre's code, there is a combination of two numbers and a letter. This tells you how much each tyre can carry, as well as the top speed that they can safely travel at. For example, 225/75 R17.5 129M tyres have maximum load capacities of 1850kg each, and can reach speeds of up to 130km/h.
There is a wide variety of makes and models that use 225/75 R17.5 tyres. These are heavy duty tyres that are built for carrying greater amounts of weight than normal car tyres. Before buying new truck tyres, make sure that you check your tyre size with your dealership so that you know you are getting the right size.
Some drivers may be happy with 225/75R17.5 tyres, while others may want something slightly different. A wider tyre such as the 235/70R17.5 will give you better handling and a shorter braking distance. Narrower tyres also have their advantages, because they can give you slightly better fuel economy.